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james kreiner
New member
Username: steve_123

Post Number: 1
Registered: 03-2008
Posted on Wednesday, March 05, 2008 - 09:01 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

I have a cady canoe engine and can't get it to run only fire a couple. Do you rotate the flywheel clockwise and have the timing lever inthe twelve oclock position.Thanks Steve
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J.B. Castagnos
Senior Member
Username: jb_castagnos

Post Number: 345
Registered: 07-2002


Posted on Wednesday, March 05, 2008 - 10:28 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

With the timer lever at 12 oclock, it should fire at tdc. In this position you should be able to start in either direction. Does the engine have good compression? if it has a lot of blowby, when it fires it will fill the crankcase with exhaust, displacing the next intake charge with noncombustible gasses. Usually a squirt of oil in the cylinder will tell the tale here, if it runs a little after squirting oil in the cylinder it's probably down on compression. I've also seen blocked intake, someone had put a rag in the pipe on a Lunkenheimer mixer, it was sucked in to where you couldn't see it. It would fire a couple of times and quit. A blocked exhaust will do the same thing. Look into the cylinder and be sure the deflector is facing the intake port. Hope this helps, report back.
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james kreiner
New member
Username: steve_123

Post Number: 2
Registered: 03-2008
Posted on Thursday, March 06, 2008 - 11:13 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

It has good compression if I leave the sparkplug near the hole it will burn off the charge of gas.You say deflector? on the exhaust side. Thanks Steve
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J.B. Castagnos
Senior Member
Username: jb_castagnos

Post Number: 346
Registered: 07-2002


Posted on Thursday, March 06, 2008 - 08:14 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

James, are you saying your deflector on top of the piston is on the exhaust side? It should be on the intake side. The cylinder won't be purged of exhaust gasses if it's in wrong.
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james kreiner
New member
Username: steve_123

Post Number: 3
Registered: 03-2008
Posted on Saturday, March 08, 2008 - 01:33 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

J.B. I guess I don't know what you mean by deflecter
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J.B. Castagnos
Senior Member
Username: jb_castagnos

Post Number: 347
Registered: 07-2002


Posted on Saturday, March 08, 2008 - 09:39 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

A two cycle piston has a sharp rise on one side, this could be like a blade on top of the piston or it could be a cut away section with a gradual slope toward the exhaust side. The purpose is to deflect the intake charge up to the top of the cylinder and force the exhaust out the other side. If the piston is in backwards the intake charge will go straight out the exhaust and the burnt gasses will stay in top of the cylinder. On most engines you can see it from the exhaust port, the blade type deflector will be on the opposite side. If it's the cutaway type you should see a sloped rise in the piston to the other side. If you she a sharp rise 1/2" or so from the exhaust port the piston is in backwards.

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